下列叙述中,不正确的是
A.创新一定是新的物质产品
B.创新可以是新技术或新技能
C.创新可以是无形的观念
D.创新可以是新的产品和设备
正确答案是A
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Passage One
Electronic computers are amongthe fastest and most useful instruments for sorting and comparing in use today.Computers provide means for greater speed and accuracy in working with ideasthan had